نتایج جستجو برای: interlaboratory comparison
تعداد نتایج: 604926 فیلتر نتایج به سال:
Two Beta-Agonist Interlaboratory Studies, 5/96 and 11/97, were designed and evaluated according to the International Harmonised Protocol for the Proficiency Testing of (Chemical) Analytical Laboratories (ISO/REMCO N 280) jointly elaborated by ISO, IUPAC and AOAC. In the sense of proficiency testing, interlaboratory studies are part of external quality assurance systems. The Beta-Agonist Interla...
The past 15 years have produced numerous innovations in geochronology, including experimental methods, instrumentation, and software that are revolutionizing the acquisition and application of geochronological data. For example, exciting advances are being driven by Laser-Ablation ICP Mass Spectrometry (LA-ICPMS), which allows for rapid determination of U-Th-Pb ages with 10s of micrometer-scale...
This work presents the results of an international interlaboratory comparison on ex situ passive sampling in sediments. The main objectives were to map the state of the science in passively sampling sediments, identify sources of variability, provide recommendations and practical guidance for standardized passive sampling, and advance the use of passive sampling in regulatory decision making by...
A multinational interlaboratory task force explored the important variables of platelet reference counting and developed a candidate flow cytometric reference method based on the RBC/platelet ratio. A multicenter comparison was performed to determine whether the method met the necessary criteria and was precise enough to be recommended as a new reference method. Each laboratory analyzed serial ...
Particle size measurements of cellulose nanocrystals (CNCs) are challenging due to their broad distribution, irregular shape and propensity agglomerate. is one the key parameters that must be measured for quality control purposes differentiate materials with different properties. We report results an interlaboratory comparison (ILC) which examined atomic force microscopy (AFM) data acquisition ...
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